Regional differences in the validity of self-reported use of health care in Belgium: selection versus reporting bias.

abstract：BACKGROUND:Dynamic risk models, which incorporate disease-free survival and repeated measurements over time, might yield more accurate predictions of future health status compared to static models. The objective of this study was to develop and apply a dynamic prediction model to estimate the risk of developing type 2 ...

journal_title：BMC medical research methodology

authors： Parast L,Mathews M,Friedberg MW

更新日期：2019-08-14 00:00:00

abstract：BACKGROUND:Spiritual care is defined as recognizing and responding to the needs of the human spirit when the individual is facing trauma, illness, or sadness. Providing spiritual care is one of the core aspects of holistic care, as it is significantly associated with patients' quality of life. The provision of optimal ...

journal_title：BMC medical research methodology

authors： Hu Y,Tiew LH,Li F

更新日期：2019-01-23 00:00:00

abstract：BACKGROUND:Action research (AR) and randomized controlled trials (RCTs) are usually considered to be theoretically and practically incompatible. However, we argue that their respective strengths and weaknesses can be complementary. We illustrate our argument from a recent study assessing the effect of telemonitoring on...

journal_title：BMC medical research methodology

authors： Day K,Kenealy TW,Sheridan NF

更新日期：2016-06-08 00:00:00

abstract：BACKGROUND:In longitudinal studies where subjects experience recurrent incidents over a period of time, such as respiratory infections, fever or diarrhea, statistical methods are required to take into account the within-subject correlation. METHODS:For repeated events data with censored failure, the independent increm...

journal_title：BMC medical research methodology

authors： Villegas R,Julià O,Ocaña J

更新日期：2013-07-24 00:00:00

abstract：BACKGROUND:Models of hepatitis C virus (HCV) kinetics are increasingly used to estimate and to compare in vivo drug's antiviral effectiveness of new potent anti-HCV agents. Viral kinetic parameters can be estimated using non-linear mixed effect models (NLMEM). Here we aimed to evaluate the performance of this approach ...

journal_title：BMC medical research methodology

authors： Laouénan C,Guedj J,Mentré F

更新日期：2013-04-25 00:00:00

abstract：BACKGROUND:Many medicines are dosed to achieve a particular therapeutic range, and monitored using therapeutic drug monitoring (TDM). The evidence base for a therapeutic range can be evaluated using systematic reviews, to ensure it continues to reflect current indications, doses, routes and formulations, as well as upd...

journal_title：BMC medical research methodology

authors： Cooney L,Loke YK,Golder S,Kirkham J,Jorgensen A,Sinha I,Hawcutt D

更新日期：2017-06-02 00:00:00

abstract：BACKGROUND:Evidence syntheses, and in particular systematic reviews (SRs), have become one of the cornerstones of evidence-based health care. The Assessment of Multiple Systematic Reviews (AMSTAR) tool has become the most widely used tool for investigating the methodological quality of SRs and is currently undergoing r...

journal_title：BMC medical research methodology

authors： Wegewitz U,Weikert B,Fishta A,Jacobs A,Pieper D

更新日期：2016-08-26 00:00:00

abstract：BACKGROUND:Interventions in occupational health often target worksites rather than individuals. The objective of this paper is to describe the (lack of) stability in units of analysis in occupational health and safety intervention projects directed toward worksites. METHODS:A case study approach is used to describe na...

journal_title：BMC medical research methodology

authors： Olsen O,Albertsen K,Nielsen ML,Poulsen KB,Gron SM,Brunnberg HL

更新日期：2008-06-13 00:00:00

abstract：BACKGROUND:Studies examining incident heart failure (HF) have been limited to select populations. To examine incident HF with broader generalizability, there is need to assemble a HF-free cohort using a geographically-diverse sample. We aimed to develop and validate a simple medication-based strategy for assembling a H...

journal_title：BMC medical research methodology

authors： Goyal P,Mefford MT,Chen L,Sterling MR,Durant RW,Safford MM,Levitan EB

更新日期：2020-03-04 00:00:00

abstract：BACKGROUND:Patient-reported outcome (PRO) measures play a key role in the advancement of patient-centered care research. The accuracy of inferences, relevance of predictions, and the true nature of the associations made with PRO data depend on the validity of these measures. Errors inherent to self-report measures can ...

journal_title：BMC medical research methodology

authors： Dowling NM,Bolt DM,Deng S,Li C

更新日期：2016-05-26 00:00:00

abstract：BACKGROUND:When multiple endpoints are of interest in evidence synthesis, a multivariate meta-analysis can jointly synthesise those endpoints and utilise their correlation. A multivariate random-effects meta-analysis must incorporate and estimate the between-study correlation (rhoB). METHODS:In this paper we assess ma...

journal_title：BMC medical research methodology

authors： Riley RD,Abrams KR,Sutton AJ,Lambert PC,Thompson JR

更新日期：2007-01-12 00:00:00

abstract：BACKGROUND:The Community Reintegration of Service Members (CRIS) is a new measure of community reintegration developed to measure veteran's participation in life roles. It consists of three sub-scales: Extent of Participation (Extent), Perceived Limitations with Participation (Perceived), and Satisfaction with Particip...

journal_title：BMC medical research methodology

authors： Resnik LJ,Clark MA,Borgia M

更新日期：2011-06-25 00:00:00

abstract：BACKGROUND:Estimating the incidence of medical conditions using claims data often requires constructing a prevalence period that predates an event of interest, for instance the diagnosis of cancer, to exclude those with pre-existing conditions from the incidence risk set. Those conditions missed during the prevalence p...

journal_title：BMC medical research methodology

authors： Griffiths RI,O'Malley CD,Herbert RJ,Danese MD

更新日期：2013-03-06 00:00:00

abstract：BACKGROUND:With the increased empirical interest in the positive significance of improving nurses' sense of professional benefits, there is a requirement for measures of nurses' perceived professional benefit (NPPB). Our objective was to develop and psychometrically test a brief Nurses' Perceived Professional Benefit Q...

journal_title：BMC medical research methodology

authors： Hu Y,Hu J,Li L,Zhao B,Liu X,Li F

更新日期：2020-01-30 00:00:00

abstract：BACKGROUND:There are detailed reviews about different recruitment strategies, but not with regard to differences between recruitment of hospital-based versus office-based physicians. Within this study, the two different recruitment schemes are compared. Advantages and disadvantages of different ways of recruitment in r...

journal_title：BMC medical research methodology

authors： Zeissig SR,Weyer-Elberich V,Emrich K,Binder H,Fischbeck S,Imruck BH,Friedrich-Mai P,Beutel ME,Blettner M

更新日期：2017-11-22 00:00:00

abstract：BACKGROUND:Nowadays, more and more clinical scales consisting in responses given by the patients to some items (Patient Reported Outcomes - PRO), are validated with models based on Item Response Theory, and more specifically, with a Rasch model. In the validation sample, presence of missing data is frequent. The aim of...

journal_title：BMC medical research methodology

authors： Hardouin JB,Conroy R,Sébille V

更新日期：2011-07-14 00:00:00

abstract：BACKGROUND:Given an observed test statistic and its degrees of freedom, one may compute the observed P value with most statistical packages. It is unknown to what extent test statistics and P values are congruent in published medical papers. METHODS:We checked the congruence of statistical results reported in all the ...

journal_title：BMC medical research methodology

authors： García-Berthou E,Alcaraz C

更新日期：2004-05-28 00:00:00

abstract：BACKGROUND:Data on lifetime exposures are often self-reported in epidemiologic studies, sometimes many years after the relevant age. Validity of self-reported data is usually inferred from their agreement with measured values, but few studies directly quantify the likely effects of reporting errors in body size and rep...

journal_title：BMC medical research methodology

authors： Cairns BJ,Liu B,Clennell S,Cooper R,Reeves GK,Beral V,Kuh D

更新日期：2011-01-17 00:00:00

abstract：BACKGROUND:The lack of suitable and reliable scales to measure self-reported health and health behaviour among people with intellectual disabilities (ID) is an important methodological challenge in health research. This study, which was undertaken together with co-researchers with ID, explores possibilities for self-re...

journal_title：BMC medical research methodology

authors： Vlot-van Anrooij K,Tobi H,Hilgenkamp TIM,Leusink GL,Naaldenberg J

更新日期：2018-07-16 00:00:00

abstract：BACKGROUND:Both scientists and the public routinely refer to randomized controlled trials (RCTs) as being the 'gold standard' of scientific evidence. Although there is no question that placebo-controlled RCTs play a significant role in the evaluation of new pharmaceutical treatments, especially when it is important to ...

journal_title：BMC medical research methodology

authors： Kaplan BJ,Giesbrecht G,Shannon S,McLeod K

更新日期：2011-05-11 00:00:00

abstract：BACKGROUND:Mean arterial pressure (MAP), bispectral index (BIS), and minimum alveolar concentration (MAC) represent valuable, yet dynamic intraoperative monitoring variables. They provide information related to poor outcomes when considered together, however their collective behavior across time has not been characteri...

journal_title：BMC medical research methodology

authors： Schnetz MP,Hochheiser HS,Danks DJ,Landsittel DP,Vogt KM,Ibinson JW,Whitehurst SL,McDermott SP,Duque MG,Kaynar AM

更新日期：2019-01-14 00:00:00

abstract：BACKGROUND:The BSI-18 contains the three six-item scales somatization, depression, and anxiety as well as the Global Severity Index (GSI), including all 18 items. The BSI-18 is the latest and shortest of the multidimensional versions of the Symptom-Checklist 90-R, but its psychometric properties have not been sufficien...

journal_title：BMC medical research methodology

authors： Franke GH,Jaeger S,Glaesmer H,Barkmann C,Petrowski K,Braehler E

更新日期：2017-01-26 00:00:00

abstract：BACKGROUND:The Template for Intervention Description and Replication (TIDieR) checklist and guide was developed by an international team of experts to promote full and accurate description of trial interventions. It is now widely used in health research. The aim of this paper is to describe the experience of using TIDi...

journal_title：BMC medical research methodology

authors： Cotterill S,Knowles S,Martindale AM,Elvey R,Howard S,Coupe N,Wilson P,Spence M

更新日期：2018-01-18 00:00:00

abstract：BACKGROUND:Clinical quality registries and other systems that conduct routine post-discharge surveillance of patient outcomes following surgery may have difficulty surveying patients who have limited proficiency in the language of the healthcare provider. Interpreter proxies (family and carers) are often used due to li...

journal_title：BMC medical research methodology

authors： Xue D,Churches T,Armstrong E,Mittal R,Naylor JM,Harris IA

更新日期：2019-11-14 00:00:00

abstract：BACKGROUND:The Behavioral Risk Factor Surveillance System (BRFSS) is a network of health-related telephone surveys--conducted by all 50 states, the District of Columbia, and participating US territories-that receive technical assistance from CDC. Data users often aggregate BRFSS state samples for national estimates wit...

journal_title：BMC medical research methodology

authors： Iachan R,Pierannunzi C,Healey K,Greenlund KJ,Town M

更新日期：2016-11-15 00:00:00

abstract：BACKGROUND:Randomized controlled trials are the gold-standard for clinical trials. However, randomization is not always feasible. In this article we propose a prospective and adaptive matched case-control trial design assuming that a control group already exists. METHODS:We propose and discuss an interim analysis step...

journal_title：BMC medical research methodology

authors： Weber D,Uhlmann L,Schönenberger S,Kieser M

更新日期：2019-07-16 00:00:00

abstract：BACKGROUND:Many biological variables sampled from human subjects show a diurnal pattern, which poses special demands on the techniques used to analyze such data. Furthermore, most biological variables belong to nonlinear dynamical systems, which may make linear statistical techniques less suitable to analyze their dyna...

journal_title：BMC medical research methodology

authors： Toonen RB,Wardenaar KJ,Bos EH,van Ockenburg SL,de Jonge P

更新日期：2018-03-21 00:00:00

abstract：BACKGROUND:Compelled by the intuitive appeal of predicting each individual patient's risk of an outcome, there is a growing interest in risk prediction models. While the statistical methods used to build prediction models are increasingly well understood, the literature offers little insight to researchers seeking to g...

journal_title：BMC medical research methodology

authors： Schummers L,Himes KP,Bodnar LM,Hutcheon JA

更新日期：2016-09-21 00:00:00

abstract：BACKGROUND:Cancer relapses may be useful to predict the risk of death. To take into account relapse information, the Landmark approach is popular. As an alternative, we propose the joint frailty model for a recurrent event and a terminal event to derive dynamic predictions of the risk of death. METHODS:The proposed pr...

journal_title：BMC medical research methodology

authors： Mauguen A,Rachet B,Mathoulin-Pélissier S,Lawrence GM,Siesling S,MacGrogan G,Laurent A,Rondeau V

更新日期：2015-04-01 00:00:00

abstract：BACKGROUND:Randomised controlled trials (RCTs) are the gold standard for evidence-based practice. However, RCTs can have limitations. For example, translation of findings into practice can be limited by design features, such as inclusion criteria, not accurately reflecting clinical populations. In addition, it is expen...

journal_title：BMC medical research methodology

authors： Lemanska A,Byford RC,Cruickshank C,Dearnaley DP,Ferreira F,Griffin C,Hall E,Hinton W,de Lusignan S,Sherlock J,Faithfull S

更新日期：2020-07-25 00:00:00